A sure sign you have left the tourist area is when even in the centre of the city, the signs are only in Chinese, no English. Generally in all of Shanghai, Beijing, Guangzhou etc the signs are always also in English.
Camera Details: SONY, ILCE-7M2 Settings: 1/60 at f/6.3, ISO 100, 28 mm Date: 18 April 2019 Time: 10:43:55